14210021 has 8 divisors (see below), whose sum is σ = 16946304. Its totient is φ = 11650320.

The previous prime is 14209999. The next prime is 14210039. The reversal of 14210021 is 12001241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14210021 - 2⁶ = 14209957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14209984 and 14210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14210071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43970 + ... + 44291.

It is an arithmetic number, because the mean of its divisors is an integer number (2118288).

Almost surely, 2^14210021 is an apocalyptic number.

It is an amenable number.

14210021 is a deficient number, since it is larger than the sum of its proper divisors (2736283).

14210021 is an equidigital number, since it uses as much as digits as its factorization.

14210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88291.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 14210021 is about 3769.6181504232. The cubic root of 14210021 is about 242.2134412254.

Adding to 14210021 its reverse (12001241), we get a palindrome (26211262).

The spelling of 14210021 in words is "fourteen million, two hundred ten thousand, twenty-one".